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searchhighlight.go
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searchhighlight.go
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package elastigo
import "encoding/json"
func NewHighlight() *HighlightDsl {
return &HighlightDsl{}
}
type HighlightDsl struct {
Settings *HighlightEmbed `-`
TagSchema string `json:"tag_schema,omitempty"`
Fields map[string]HighlightEmbed `json:"fields,omitempty"`
}
func NewHighlightOpts() *HighlightEmbed {
return &HighlightEmbed{}
}
type HighlightEmbed struct {
BoundaryCharsVal string `json:"boundary_chars,omitempty"`
BoundaryMaxScanVal int `json:"boundary_max_scan,omitempty"`
PreTags []string `json:"pre_tags,omitempty"`
PostTags []string `json:"post_tags,omitempty"`
FragmentSizeVal int `json:"fragment_size,omitempty"`
NumOfFragmentsVal int `json:"number_of_fragments,omitempty"`
HighlightQuery *QueryDsl `json:"highlight_query,omitempty"`
MatchedFieldsVal []string `json:"matched_fields,omitempty"`
OrderVal string `json:"order,omitempty"`
TypeVal string `json:"type,omitempty"`
}
// Custom marshalling
func (t *HighlightDsl) MarshalJSON() ([]byte, error) {
m := make(map[string]interface{})
if t.Fields != nil {
m["fields"] = t.Fields
}
if t.TagSchema != "" {
m["tag_schema"] = t.TagSchema
}
if t.Settings == nil {
return json.Marshal(m)
}
//This is terrible :(, could use structs package to avoid extra serialization.
embed, err := json.Marshal(t.Settings)
if err == nil {
err = json.Unmarshal(embed, &m)
}
if err == nil {
return json.Marshal(m)
}
return nil, err
}
func (h *HighlightDsl) AddField(name string, settings *HighlightEmbed) *HighlightDsl {
if h.Fields == nil {
h.Fields = make(map[string]HighlightEmbed)
}
if settings != nil {
h.Fields[name] = *settings
} else {
h.Fields[name] = HighlightEmbed{}
}
return h
}
func (h *HighlightDsl) Schema(schema string) *HighlightDsl {
h.TagSchema = schema
return h
}
func (h *HighlightDsl) SetOptions(options *HighlightEmbed) *HighlightDsl {
h.Settings = options
return h
}
func (o *HighlightEmbed) BoundaryChars(chars string) *HighlightEmbed {
o.BoundaryCharsVal = chars
return o
}
func (o *HighlightEmbed) BoundaryMaxScan(max int) *HighlightEmbed {
o.BoundaryMaxScanVal = max
return o
}
func (he *HighlightEmbed) FragSize(size int) *HighlightEmbed {
he.FragmentSizeVal = size
return he
}
func (he *HighlightEmbed) NumFrags(numFrags int) *HighlightEmbed {
he.NumOfFragmentsVal = numFrags
return he
}
func (he *HighlightEmbed) MatchedFields(fields ...string) *HighlightEmbed {
he.MatchedFieldsVal = fields
return he
}
func (he *HighlightEmbed) Order(order string) *HighlightEmbed {
he.OrderVal = order
return he
}
func (he *HighlightEmbed) Tags(pre string, post string) *HighlightEmbed {
if he == nil {
he = &HighlightEmbed{}
}
if he.PreTags == nil {
he.PreTags = []string{pre}
} else {
he.PreTags = append(he.PreTags, pre)
}
if he.PostTags == nil {
he.PostTags = []string{post}
} else {
he.PostTags = append(he.PostTags, post)
}
return he
}
func (he *HighlightEmbed) Type(highlightType string) *HighlightEmbed {
he.TypeVal = highlightType
return he
}